Pippa arrived alongside her sister Kate, who is a patron of the All England Lawn Tennis and Croquet Club and spent the first part of the day carrying out royal duties.
New mom Meghan's weird picture ban came as she watched Serena Williams with two pals last week. "She couldn't be a better friend to me".
Williams and Meghan have grown close in recent years, with the 23-time grand slam champion attending the duchess's wedding in May last year.
"Diana generally never took any staff with her", he said.
"It was an honor to play in front of her and I had the chance to meet her after the match", she shared during a press conference, as she once again shared how much it meant to her to have so many members of the royal family in attendance. "And always positive, no matter what", Williams said.
But the oil and gas safety engineer was just taking a selfie on his iPhone with the players in the background and was baffled to be asked by a minder: "Please give them privacy".
A spokesman for the Met Office said the duchesses ran the risk of some wet weather.
Following the game, Williams also praised her own biggest royal fan: pal Meghan.
This is the second event that they're attending as a duo, the first being Wimbledon a year ago for the Women's final between Angelique Kerber and Serena Williams.
Their appearance marks exactly one year after Meghan and Kate stepped out for the first time without their husbands by their sides to watch the tournament together.
The 22-month-old had to be distracted with a yellow butterfly book while her mother answered questions from reporters. "But cinematographer Caleb Deschanel's knowledgeable give an explanation for of "natural" spectacle and the sheer exuberance of Rogen and Eichner's performances do it the film's most purely delectable fragment". "Actually she likes soccer more, so we'll see".